JJM Roofing & Waterproofing

5.0(109 reviews on Google)

Roofer listing in Westbury, NY

About JJM Roofing & Waterproofing

JJM Roofing & Waterproofing is a family-owned and operated company, in business since 1955, serving Nassau County, Suffolk County and the five boroughs. Roofing for homeowners and commercial property owners covers shingle, Spanish tile, slate, flat, metal, TPO/PVC and EPDM roofs, roof repairs, leak work and cedar shake specialties, alongside RoofMaxx roof treatment, waterproofing for foundations and basements, siding, copper gutters and leaders, and egress windows. The company helps repair storm damage and works with the customer and the insurance company on claims. New roofing carries full lifetime manufacturer warranties, the work is backed 100%, a 30+ year warranty is offered, and the company is a licensed and insured manufacturer approved installer. Rated 5 from 109 Google reviews, 107 of them five stars, 1 four star and 1 one star.

What reviewers mention: leak repair (9), siding repair (7), respectful of property (4), flatroof repair (3), reliable roofing company (3), quick repair (3), honest team (3), gutter repair (3), storm damage repair (2), responsive owner (2)

Services and details

  • Roofing work

    Yes

  • Leak repair

    Yes

  • Storm damage repair

    Yes

  • Helps with insurance claims

    Yes

  • Commercial roofing

    Yes

  • Flat roofs

    Yes

  • Metal roofing

    Yes

  • Slate roofing

    Yes

  • Gutters

    Yes

  • Warranty

    Yes

  • States a contractor license

    Yes

No information yet on emergency service, asphalt shingles, financing, manufacturer certified. The website did not say; call and ask.

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Listing compiled from public sources on 2026-11-11. Report a correction or request removal. Back to roofers in Westbury.